Series Parallel Circuits » Exercise – 1
1. Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is ________.
(a) 138 Ω
(b) 1,389 Ω
(c) 5,700 Ω
(d) 880 Ω
2. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?
(a) 1 MΩ
(b) 24 kΩ
(c) 18 kΩ
(d) 12 kΩ
3. The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage ________.
(a) decreases
(b) increases
(c) remains the same
(d) becomes zero
4. A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is ________.
(a) 12 V
(b) 24 V
(c) 0 V
(d) 6 V
5. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is ________.
(a) 20,000 Ω
(b) 100,000 Ω
(c) 200,000 Ω
(d) 1,000,000 Ω
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